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Finding the Fourth Proportional to 373,999.73, 516,163.93 and 210,661.61

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Solution

The fourth proportional to 373,999.73, 516,163.93 and 210,661.61 is: 290,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,999.73 : 516,163.93 = 210,661.61 : x
  2. Step 2: Convert to fraction form
    373,999.73/516,163.93 = 210,661.61/x
  3. Step 3: Cross multiply
    373,999.73x = 516,163.93 × 210,661.61
  4. Step 4: Simplify right side
    373,999.73x = 108,735,921,410.25
  5. Step 5: Solve for x
    x = 108,735,921,410.25/373,999.73
  6. Step 6: Final answer
    x = 290,737.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.